/usr/lib/x86_64-linux-gnu/libatomicparsley.so is in libatomicparsley-dev 2.1.5-6.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libatomicparsley.so.0.0.1
/usr/lib/x86_64-linux-gnu/libatomicparsley.so.0.0.1